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