One vertex per element, one color per generator, with an edge from x to x·s.
(5,6,7,14,8,15,19,39,9,16,20,40,24,43,49,79,10,17,21,41,25,44,50,80,28,46,53,82,59,85,89,114,11,18,22,42,26,45,51,81,29,47,54,83,60,86,90,115,31,48,56,84,62,87,92,116,65,88,95,117,99,118,119,130,12,13,23,34,27,35,52,69,30,36,55,70,61,73,91,104,32,37,57,71,63,74,93,105,66,76,96,107,100,110,120,125,33,38,58,72,64,75,94,106,67,77,97,108,101,111,121,126,68,78,98,109,102,112,122,127,103,113,123,128,124,129,131,132)(1,2,3,4)(6,13)(14,34)(15,35)(16,36)(17,37)(18,38)(39,69)(40,70)(41,71)(42,72)(43,73)(44,74)(45,75)(46,76)(47,77)(48,78)(79,104)(80,105)(81,106)(82,107)(83,108)(84,109)(85,110)(86,111)(87,112)(88,113)(114,125)(115,126)(116,127)(117,128)(118,129)(130,132)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.