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