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