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