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