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