One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(6,9)(10,11)(13,14)(15,24)(16,29)(17,22)(18,34)(19,23)(20,26)(21,32)(25,42)(27,36)(28,41)(30,35)(31,39)(33,38)(37,43)(40,44) involution — undirected(5,6,8,9)(7,11,12,10)(13,15,18,27,17,26,19,28)(14,20,34,41,22,24,23,36)(16,30,32,25,31,44,33,43)(21,37,39,35,38,42,29,40)(13,16,17,31)(14,21,22,38)(15,25,26,43)(18,33,19,32)(20,35,24,40)(23,39,34,29)(27,30,28,44)(36,42,41,37)(2,4)(5,7,8,12)(6,10,9,11)(15,26)(20,24)(25,43)(27,28)(30,44)(35,40)(36,41)(37,42)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.