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