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