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