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