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