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