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)(33,34,37,42,39,43,38,53)(35,44,46,59,48,60,47,63)(36,49,50,55,52,64,51,41)(40,54,56,62,57,61,58,45)(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)(33,35,36,45,37,46,50,54,39,48,52,62,38,47,51,61)(34,40,55,60,53,58,49,59,43,57,41,44,42,56,64,63)(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)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.