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