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