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