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