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