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