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