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