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