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