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