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