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