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