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