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