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