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)(20,33)(21,26)(22,40)(23,42)(24,31)(25,36)(27,41)(28,39)(30,34)(32,37)(35,46)(38,43)(44,45)(47,48)(1,3)(2,6)(4,11)(5,10)(7,14)(8,9)(12,15)(13,16)(17,19)(18,24)(20,30)(21,31)(22,32)(23,25)(26,29)(27,35)(28,36)(33,41)(34,46)(37,43)(38,47)(39,44)(40,48)(42,45) involution — undirected(17,20,34,24,23,37,22,36,21,35,41,29,39,48,38,45)(18,25,43,32,28,31,27,33,26,44,40,47,42,19,30,46)(3,10)(6,9)(11,16)(14,15)(19,31)(20,35)(24,29)(25,44)(32,47)(33,46)(36,45)(37,48) involution — undirected(1,4,5,13)(2,7,8,12)(3,11,10,16)(6,14,9,15)(18,26)(19,31)(25,44)(27,30)(28,42)(32,47)(33,46)(40,43)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.