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