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