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