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