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