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