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