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