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