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