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