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