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