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