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