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