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