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