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