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)(33,34,37,40,38,41,36,45)(35,39,44,47,42,46,43,48)(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)(36,43)(37,44)(38,42)(40,47)(41,46)(45,48)(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)(35,42)(39,46)(43,44)(47,48)(17,20,22,21)(18,23,25,29)(19,26,27,28)(24,31,32,30)(33,36,38,37)(34,40,41,45)(35,43,42,44)(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.