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