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