One vertex per element, one color per generator, with an edge from x to x·s.
(5,6,9,12)(7,13,15,10)(8,11,16,18)(14,19,20,17)(21,22,28,42,24,31,41,45,27,34,25,32,26,33,39,52)(23,29,43,49,38,51,40,30,37,48,36,47,35,46,44,50)(1,2,3,4)(5,7,9,15)(6,10,12,13)(8,14,16,20)(11,17,18,19)(21,23)(22,29)(24,38)(25,36)(26,35)(27,37)(28,43)(30,45)(31,51)(32,47)(33,46)(34,48)(39,44)(40,41)(42,49)(50,52)(2,4)(8,16)(11,18)(14,20)(17,19)(21,23)(22,30)(24,35)(25,40)(26,38)(27,37)(28,44)(29,45)(31,49)(32,46)(33,47)(34,50)(36,41)(39,43)(42,51)(48,52) involution — undirected(5,8,9,16)(6,11,12,18)(7,14,15,20)(10,17,13,19)(21,24,27,26)(22,31,34,33)(23,35,37,38)(25,39,28,41)(29,46,48,51)(30,49,50,47)(32,52,42,45)(36,40,43,44)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.