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)(17,18,21,30,23,20,22,26)(19,27,31,25,29,32,28,24)(1,3)(2,5)(4,12)(6,15)(7,9)(8,16)(10,14)(11,13)(17,19)(18,24)(20,25)(21,31)(22,28)(23,29)(26,32)(27,30) involution — undirected(1,4)(2,8)(3,11)(5,7)(6,14)(9,10)(12,15)(13,16)(17,19,23,29)(18,25,20,24)(21,28,22,31)(26,32,30,27)(1,5)(2,9)(3,12)(4,7)(6,14)(8,10)(11,15)(13,16)(17,20)(18,23)(19,24)(21,26)(22,30)(25,29)(27,31)(28,32) 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.