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