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