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