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