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