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