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