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