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