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