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