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