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