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