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