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