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