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