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