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