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