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