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