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)(17,18,22,25)(19,27,28,31)(20,23,21,26)(24,29,32,30)(1,3)(2,7)(4,12)(5,14)(6,13)(8,9)(10,16)(11,15)(18,23)(20,21)(24,31)(25,26)(27,32)(29,30) involution — undirected(1,3)(2,8)(4,14)(5,12)(6,13)(7,9)(10,15)(11,16)(17,19)(18,24)(20,30)(21,29)(22,28)(23,31)(25,32)(26,27) involution — undirected(18,25)(23,26)(24,32)(27,31) involution — undirected(1,4,6,5)(2,9,11,10)(3,12,13,14)(7,8,15,16)(18,25)(19,28)(23,26)(29,30)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.