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