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