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