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