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