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