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