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