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