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