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