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