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