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