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