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