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