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