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