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