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