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