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