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