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