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