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