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