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