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