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