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