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