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