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