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