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