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