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