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