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