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