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