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