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