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