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