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