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