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