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