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