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