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