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