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