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