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