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