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