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