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