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