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