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