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