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