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