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