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