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)(35,45)(36,50)(37,41)(38,56)(39,44)(40,47)(42,53)(43,54)(46,62)(48,58)(49,63)(51,60)(52,55)(57,61)(59,64)(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)(33,35,39,49)(34,40,44,60)(36,51,53,47)(37,46,55,64)(38,57,54,48)(41,45,52,63)(42,61,50,58)(43,62,56,59)(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)(33,34)(35,40)(36,52)(37,42)(38,43)(39,44)(41,53)(45,47)(46,61)(48,59)(49,60)(50,55)(51,63)(54,56)(57,62)(58,64)(3,15)(8,23)(13,24)(14,29)(16,17)(22,28)(27,32)(30,31)(33,36,38,37,39,53,54,55)(34,41,43,50,44,52,56,42)(35,46,48,51,49,64,57,47)(40,58,59,45,60,61,62,63)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.