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