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