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