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