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