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