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