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