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