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