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