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