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