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