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