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