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