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