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