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