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