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