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)(11,15)(12,16)(13,14)(17,18,22,23)(19,20,21,24)(27,31)(30,32)(2,4)(6,8)(10,14)(12,15)(18,23)(19,21)(25,26,29,28)(27,32,31,30)(3,7)(6,8)(10,14)(11,16)(17,19,22,21)(18,24,23,20)(25,27,29,31)(26,30,28,32)(1,3)(2,6)(4,8)(5,7)(9,11,13,16)(10,15,14,12)(17,20,22,24)(18,19,23,21)(25,28,29,26)(27,32,31,30)(1,4,5,2)(3,8,7,6)(9,12,13,15)(10,16,14,11)(17,21,22,19)(18,24,23,20)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.