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