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