One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,16)(4,24,27,75)(5,30)(6,13)(7,36)(8,38)(9,15)(10,19)(11,26,44,29)(12,17)(14,31)(18,59,62,110)(20,51)(21,70)(22,72)(23,53)(25,77,80,123)(28,84,83,45)(32,86)(33,89)(34,88)(35,48)(37,90)(39,92,93,114)(40,66)(41,95)(42,68)(43,97,98,108)(46,56)(47,58)(49,61,100,64)(50,54)(52,65)(55,74,107,120)(57,87)(60,73,113,119)(63,117,116,101)(67,91)(69,103)(71,118)(76,82,121,78)(79,122,81,85)(94,104,109,127)(96,105)(99,124,126,125)(102,106)(111,115,128,112)(1,3,17,54,7,21,32,66,6,20,56,105,35,69,34,68,9,23,58,106,37,71,33,67,8,22,57,95,31,65,5,19)(2,10,30,52,14,41,87,72,38,91,89,118,90,102,47,53,15,42,88,103,48,96,46,51,13,40,86,70,36,50,12,16)(4,18,55,104,28,63,79,92,26,61,97,124,82,115,80,113,27,62,107,127,83,116,81,114,29,64,108,125,78,112,25,60)(11,39,85,101,45,94,120,110,75,119,123,128,121,126,98,100,44,93,122,117,84,109,74,59,24,73,77,111,76,99,43,49)(1,4)(2,11,15,44)(3,18)(5,25)(6,26)(7,28)(8,29)(9,27)(10,39,42,93)(12,43,47,98)(13,24,38,75)(14,45,48,84)(16,49,53,100)(17,55)(19,60)(20,61)(21,63)(22,64)(23,62)(30,85,88,122)(31,78)(32,79)(33,81)(34,80)(35,82)(36,76,90,121)(37,83)(40,73,91,119)(41,94,96,109)(46,74,87,120)(50,99,102,126)(51,59,72,110)(52,101,103,117)(54,104)(56,97)(57,108)(58,107)(65,112)(66,92)(67,114)(68,113)(69,115)(70,111,118,128)(71,116)(77,89,123,86)(95,125)(105,124)(106,127)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.