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