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