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