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