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