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