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