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