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