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