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