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