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