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