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