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