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