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