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)(11,14)(12,13)(15,16)(25,26,28,30)(27,31,32,29)(1,3,5,8)(2,6,4,7)(17,18)(19,22)(20,21)(23,24)(25,27)(26,29)(28,32)(30,31)(1,2,5,4)(3,6,8,7)(10,13)(14,16)(18,21)(22,24)(26,30)(29,31)(3,8)(6,7)(17,19,20,23)(18,22,21,24)(26,30)(27,32)(1,4,5,2)(3,7,8,6)(9,11,12,15)(10,14,13,16)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.