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