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