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