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