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