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