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