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