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)(12,16)(17,18)(19,20)(21,22)(23,24)(27,31)(29,32)(2,4)(6,8)(10,11)(14,15)(18,22)(20,23)(25,26,28,30)(27,29,31,32)(3,7)(6,8)(9,10,13,11)(12,14,16,15)(17,19,21,24)(18,20,22,23)(25,26)(27,29)(28,30)(31,32)(1,3)(2,6)(4,8)(5,7)(9,11,13,10)(12,15,16,14)(17,19)(18,23)(20,22)(21,24)(25,27)(26,29)(28,31)(30,32)(1,4,5,2)(3,8,7,6)(9,12,13,16)(10,14,11,15)(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.