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