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