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