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