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)(23,27,33,39)(24,28,35,41)(25,29,36,42)(31,37,44,48)(32,38,45,49)(34,40,46,50)(43,47,51,52)(5,7)(6,10)(8,14)(9,15)(11,18)(12,13)(16,19)(17,20)(23,31)(24,34)(25,36)(27,37)(28,40)(29,42)(32,45)(33,44)(35,46)(38,49)(39,48)(41,50) involution — undirected(2,4)(21,23,25,31,26,33,36,44)(22,27,29,37,30,39,42,48)(24,32,34,43,35,45,46,51)(28,38,40,47,41,49,50,52)(5,8,9,17)(6,11,12,16)(7,14,15,20)(10,18,13,19)(24,35)(28,41)(32,45)(34,46)(38,49)(40,50)(43,51)(47,52)(7,15)(10,13)(14,20)(18,19)(21,24,36,46,26,35,25,34)(22,28,42,50,30,41,29,40)(23,32,44,51,33,45,31,43)(27,38,48,52,39,49,37,47)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.