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