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