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