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