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