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