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