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