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