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