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