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