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