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