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