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