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