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