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