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