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