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