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