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