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)(19,25)(20,28)(21,24)(22,27)(23,29)(26,32)(30,31)(1,3,7,5)(2,8,11,10)(4,13,6,14)(9,15,16,12)(20,29)(22,31)(23,28)(27,30)(1,4,7,6)(2,9,11,16)(3,13,5,14)(8,15,10,12)(17,19,21,26)(18,22,24,31)(20,30,29,27)(23,32,28,25)(1,5,7,3)(2,10,11,8)(4,14,6,13)(9,12,16,15)(19,26)(22,31)(25,32)(27,30)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.