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