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