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