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