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