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