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