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