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