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