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