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