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