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