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