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