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