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