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