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)(17,18,21,22)(19,25,26,23)(20,28,29,24)(27,31,30,32)(6,8)(9,11,13,16)(10,14,15,12)(18,22)(19,26)(20,29)(31,32)(5,6,7,8)(9,12)(10,11)(13,14)(15,16)(17,18)(19,23)(20,28)(21,22)(24,29)(25,26)(27,32)(30,31)(1,2,3,4)(9,12)(10,11)(13,14)(15,16)(17,19,21,26)(18,23,22,25)(20,30,29,27)(24,32,28,31)(9,11)(10,12)(13,16)(14,15)(17,20)(18,24)(19,27)(21,29)(22,28)(23,31)(25,32)(26,30) 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.