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