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