One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,15,20,16,21,14,35)(11,22,26,39,27,47,25,17)(12,28,30,42,31,41,36,18)(13,19,34,44,32,43,33,59)(23,37,49,55,50,62,54,45)(24,46,53,63,51,67,52,38)(29,56,58,64,57,65,60,40)(48,61,69,71,68,72,70,66)(1,2)(3,7)(4,6)(5,8)(9,11,15,26,16,27,14,25)(10,17,35,47,21,39,20,22)(12,23,36,54,31,50,30,49)(13,24,34,53,32,51,33,52)(18,37,28,55,42,62,41,45)(19,38,59,67,43,63,44,46)(29,48,60,70,57,68,58,69)(40,61,56,71,64,72,65,66)(1,3)(2,5)(4,8)(6,7)(9,12,16,31)(10,18,21,42)(11,23,27,50)(13,29,32,57)(14,30,15,36)(17,37,39,62)(19,40,43,64)(20,41,35,28)(22,45,47,55)(24,48,51,68)(25,49,26,54)(33,58,34,60)(38,61,63,72)(44,65,59,56)(46,66,67,71)(52,69,53,70)(3,8)(5,7)(9,13)(10,19)(11,24)(12,29)(14,33)(15,34)(16,32)(17,38)(18,40)(20,44)(21,43)(22,46)(23,48)(25,52)(26,53)(27,51)(28,56)(30,58)(31,57)(35,59)(36,60)(37,61)(39,63)(41,65)(42,64)(45,66)(47,67)(49,69)(50,68)(54,70)(55,71)(62,72) involution — undirected(2,6)(5,7)(13,32)(19,43)(24,51)(29,57)(33,34)(38,63)(40,64)(44,59)(46,67)(48,68)(52,53)(56,65)(58,60)(61,72)(66,71)(69,70) 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.