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