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