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