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