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