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