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