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