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