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