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