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