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