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