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