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