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