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