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