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