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