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