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