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