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