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