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