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