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