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