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