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