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)(17,18,23,25)(19,26,21,22)(20,27,30,31)(24,28,32,29)(1,3,5,10,6,2,7,9)(4,11,13,16,14,8,15,12)(17,19,22,18,23,21,26,25)(20,27,28,24,30,31,29,32)(1,2)(3,6)(4,11)(5,9)(7,10)(8,14)(12,15)(13,16)(17,20,23,30)(18,24,25,32)(19,27,21,31)(22,28,26,29)(1,4,7,15,6,14,5,13)(2,8,10,16,3,11,9,12)(17,21,22,25,23,19,26,18)(20,27,28,24,30,31,29,32)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.