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