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