One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,8)(9,10,13,14)(11,15,16,12)(27,31)(29,32)(1,2,4,5)(3,6,8,7)(10,14)(11,16)(18,21)(22,24)(25,26,28,30)(27,29,31,32)(1,3,4,8)(2,6,5,7)(9,11,13,16)(10,15,14,12)(17,18,20,21)(19,22,23,24)(1,2)(3,6)(4,5)(7,8)(9,10)(11,15)(12,16)(13,14)(17,19,20,23)(18,22,21,24)(25,27)(26,29)(28,31)(30,32)(1,3)(2,7)(4,8)(5,6)(9,12,13,15)(10,11,14,16)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.