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