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