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