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