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