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