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