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