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