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