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