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