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