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