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