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