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