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