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