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