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