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