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