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