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