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