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