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